Hay-press



No Model.) 2 Sheets-Sheet 1. P. L. EIDER.

HAY PRESS. v No. 535,374. Patentved Mar. 12,1895.

(N0 Model.) 2 sheets-sheet 2.

P. L. EIDER.

HAY PRESS.

. No. 535,574. Patented M51. 121.1895.V

T E Nonms PErER 05,. PHoTo-LITHO.. wAsHlNuToN D c PETER L. HIDER, OFKANSAS CITY, KANSAS.

HAY-PRESS.

`SFECIFICA'JLION' forming part of Letters Patent N0. 535,374, datedMarch 12, 1 895.

Application filed July 2,1894. Serial No. 516,343. (No model.)

To a/ZZ whom it may concern.:

Be it known that I, PETER L. EIDER, of Kansas City, Wyandotte county,Kansas, have invented certain new and useful Improvements inHay-Presses, of which the following is a full, clear, and exactdescription, reference being had to the accompanying drawings, forming apart hereof.

My invention relates to hay presses, and has for its object to produce apower mechanism whereby two compression strokes of the plunger areobtained with one revolution of the sweep or power-arm, whereby a rapidmovement of the plunger is obtained at the beginning of the stroke,whereby the speed of movement of said plunger gradually diminishes andthe power is correspondingly increased toward the end of the stroke; thepower being more directly applied upon the plunger when it is mostneeded in completing the formation of the bale.

With this and other objects in view, the invention consists in certainnovel and peculiar features of construction and combination ot' parts,as hereinafter described and claimed.

In order that the invention may be fully understood, reference is to behad to the accompanying drawings, in which- Figure 1. is a sideelevation of a hay press embodying my invention, and showing the samemounted upon wheels. Fig. 2. is a top plan view of the same. Fig. 3. isa vertical longitudinal sectional view on an enlarged scale of the frontend of the machine. Fig. 4. is a detail plan view of the pitman bar andthe eccentrically mounted segments engaging the same. Fig. 5. is adetail perspective view of the plunger and its connection with thepitman. Fig. 6. is a detail plan view of a modiiied form ofconstruction. Fig. 7. is a side view of a portion of the bed or channelbar.

In the said drawings, 1 designates the bottom of the press proper, andit is recessed longitudinally in its upper side at 2, to form theupwardly projecting and marginal flanges 3.

The press 4 is mounted upon the bottom 1 in any suitable manner, and isprovided with the usual feed-opening 5 in its upper side, andcommunicating with said feed-opening, is the laterally extending guideboard or table 6. Extending rearwardly from the press 4, is thelongitudinal plate 7, which forms the upper side of the compressionchamber. The channel-bar 8, fits within the recess 2 of the bottom 1,and is provided with the two sets of holes or apertures 8 and 8b, at asuitable distance apart, and a corresponding series of bolts 8 extendthrough the flanges 3 of the bottom, and engage, when the baling pressis in operation, the holes or openings Sb.

Vhen the press is not in operation, the machine is shortened, ashereinafter referred to,

and the bolts 8 engage the holes or openings j 8a. The front end of thechannel-bar is bent vertically upward as shown at 9, and mounted rigidlyupon the upper end of the same is the bearing-plate 10, which occupies ahorizontal position.

Depending from the rear side of the plate lO, is a longitudinallyextending sleeve 11, and secured by a key in said sleeve and extendinglongitudinally rearward, is the tierod 12, which engages the bail 13,secured to and projecting from the front end of the press proper. Thetop-plate l0 is provided with a vertical and circular bearing aperture,and a power shaft 14 depends vertically therethrough, and also throughthe bearing opening in the channel-bar 8.

A casting 15 is secured rigidly to the upper end of the shaft 14, and isin turn bolted rigidly and firmly to one end of the sweep or power-arm16. Mounted eccentrically and loosely upon the power-shaft 14, andresting upon the channel-bar 8, is the toothed segment 17, and formedintegral therewith and projecting upwardly, is the clutch-section 1S. Asimilar toothed segment 19 is eccentrically mounted `upon a verticalstub-shaft 20, projecting from the horizontal extension 2l of thechannel-bar, and a suitable distance from and to one side of the toothedsegment 17, and the teeth of the segments 17 and 19 engage at all timesthe teeth 22 and 23, respectively, of the rack-bar, which projectsforwardly from and is secured rigidly to the front end of the pitman24'; the arrangement being such that when `the teeth of the segment 17farthest from the axis of the shaft 14 are engaged with the rack-barteeth 22, the teeth of the segment 19 nearest the center of thestub-shaft 2O aro engaged with the teeth 23 of the rack-bar, and thepitman is in its retracted position, as shown clearly in Fig. 4, and isready to begin a new stroke. Projecting horizontally from the front sideof the plunger 25 is the semicircular socket 26, and fitting in saidsocket and retained therein by the semi-band 27, to which it ispivotally connected by the bolt 28, is the rear end of the pitman 24;said semiband being bolted to the socket-plate, or otherwise rigidlysecured. A clutch-section 29 is rigidly mounted upon the shaft 14, andis normally held in engagement with the companion clutch-section 1S, bythe spring 30, which spirally encircles the power-shaft, and bears atits upper and lower ends, respectively, against the top bearing-plate 10and the upper side of the clutch-section 29.

In order to obtain two forward strokes of the plunger with onerevolution of the sweep, at points diametrically opposite thepower-shaft, the inclined shoulders or cams 31 and 32 project upwardlyfrom the bearing-plate 10, and depending from the lower side of thecasting 15, and at points diametrically opposite are the inclinedshoulders or cams 33 and 34.

It will be observed from this construction that as the sweep is moved inthe direction indicated by the arrow a, Fig. 2, and at the close of acompression stroke of the plunger, theinclined shoulders 33 and 34 comein contact with the inclined shoulders 3l and 32, and moving upwardlyupon the same, the resistance of the spring 30 is overcome, and theshaft 14 is raised until the clutch 29 is disengaged from the clutch 1S.Immediately this takes place the expansion of the bale being formedcauses the recoil of the plunger, and the rack-bar engaging the toothedeccentrics 17 and 19, rotates the same backward in the directionindicated by the arrows, Fig. 2, and simultaneously with the recoil ofthe plunger, the inclined shoulders or cams 33 and 34 clear or becomedisengaged from the shoulders 31 and 32, and the shaft is caused bygravity and the action of the spring 30, t0 drop, and the clutch 29re-engages the clutch 13, as will be readily understood, and immediatelythis reengagement of the clutches takes place, the continued rotation ofthe shaft causes the toothed segments to operate in the direction of thearrows, Fig. 4, and advance the plunger. As the inclined shoulders orcams 33 and 34 come in contact with and ride upon the inclined shouldersor cams 32 and 31, respectively, the clutches are again disengaged, asabove explained, to allow the plunger to recoil, and to arrange thepitman and plunger for the next stroke, as will be readily understood.

By reference to Fig. 4, it will be apparent that the pitman, at thebeginning of the stroke, is engaged by the teeth of the segment 19nearest its axis 20, and that it is engaged at the opposite side by theteeth of the segment 17 farthest from the axis 18, and thereby occupiesa position at an angle to the direction of the stroke of the plunger,and that as said segmentsv are rotated in the direction of the arrows,Fig. 4, to advance the plunger,

the pitman is simultaneously advanced and swings at its frontend towardthe power-shaft 13, therefore applying the pressure upon the bale beingformed, as the stroke of the pitman is completed, almost in the directlongitudinal line of the machine; the power being increased as the poweris more directly applied.

The toothed segment 19 and its engaging rack-bar 23, form a guide forthe reciprocating action of the plunger, and serve t0 hold therack-teeth 24 positively in engagement with the teeth of the powersegment 17. In lieu of this segment and its engaging rackbar, ananti-friction roller may be employed; said roller being mountedrotatably upon the stub-shaft 36 upon the extension 21 of the bed orchannel bar S, and engaging said roller, is an inclined track-rail 37,which diverges forwardly toward the front end of the rack-bar. When thepitman is in its retracted position the teeth farthest from the axialcenter of the toothed segment 17, engage the rack-bar, and theanti-friction roller bears against the adjacent end of the track-rail37, and as said segment is rotated in the direction indicated by thearrow, Fig. 6, the pitman is advanced and is caused to move laterally atits front end by reason of the act-ion of the anti-friction roller uponthe guide-rail, so that the rack-bar shall at all times engage thetoothed segment 17.

The side-walls of the press proper are provided with openings 38, andpivotally mounted upon the vertical rods carried at the outer sides ofthe same, are the retainer-arms 40, and these retainer-arms are actedupon by the springs 41, secured to the sides of the press, to hold theirinner ends yieldingly within the baling-chamber. As the bale is beingformed, and is forced beyond the inwardly-projecting ends of saidretainer-arms, the pressure of the springs 41 is overcome, and saidretainerarms pivotally yield to allow the bale to pass. After the strokeof the plunger is completed and it is withdrawn, the springs immediatelycause the retainer-arms 40 to project into the chamber and therebyprevent the bale following in the wake of the plunger.

In the operation of the machine, the same is moved from the wheeledframework and placed upon the ground, and is designed to be supported bysaid framework only when the device is being conveyed from one place toanother.

From the above description, it will be apparent that I have produced apower mechanism for hay presses which, as the stroke of the plungernears completion, more directly applies the power thereon, and whichexerts a gradually increasing pressure as the resistance of the balebeing formed becomes greater, and by which two strokes of the plungerare obtained to one revolution of the sweep.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

TIO

ried by the shaft, so that as the shaft is rocated the engagement anddisengagement of the upwardly projecting and depending cams will causethe shaft to rise and fall, and consequently the disengagement andreengagement of the said clutch-sections, substantially as and for thepurpose set forth.

In testimony whereof I aiix my signature in presence of two witnesses.

PETER L. HIDER.

Witnesses:

M. R. REMLEY, Os. Y. THOR-PE.

